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      11-12-2012, 01:56 PM   #19
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Drives: E92 335i
Join Date: Mar 2009
Location: Luxembourg

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Originally Posted by zz10 View Post
Would I need to reinforce the tranny, gearbox or the engine pistons/con-rods if I change to RB turbos? Mine stock are leaking a little right now and I would like to have some options besides getting back a pair of stocks.
It *looks* like the tranny will hold up to power levels of around 450whp. Wich is what you are at with RBs and supporting mods. Once you add meth however, the 6AT seems to slip/show weird shift behaviour.
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